Fromaplaneyoucanseethefields,cities,mountainsorrivers...
問題詳情： Fromaplaneyoucanseethefields,cities,mountainsorriversbelow.Ifyougointospace,youseemoreandmoreoftheEarth.Manyman-madesatellites(人造衛星）aresentintospacetolookattheEarth,thestarsandotherplan...